Questions tagged as 'android'

Tagged questions
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OutOfMemory in Recyclerview showing photos of a folder, doubts for possible solutions

I have had this error since the day I started my application. I already asked in his day also around here I found a mini-solution but it was never solved at all ... OutOfMemory Exceptio - Android APP with ImageViews as a "Gallery" In the end I...
asked by 28.05.2018 / 11:07
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AlarmManager or Service?

I am developing an app that plays a song on a certain date and time, it can be a day at different times so it does not always run on the same date, I created a method to load_date_date (); that I create an alarm with AlarmManager and then it is...
asked by 28.05.2018 / 10:12
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Instant app does not open

I have published an instant app in the play store but I am unable to open it without having the app installed. The deep links work well since with it installed it opens the corresponding activity, but when not having it installed, the web leaves...
asked by 27.05.2018 / 13:50
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How to connect from my MainActivity to About Us (Activity) in Kotlin

Well, my question is how can I connect from MainActivity where I have the following selector: override fun onNavigationItemSelected(item: MenuItem): Boolean { // SELECCIÓN DEL NAV DRAWER when (item.itemId) { R.id.nav_inicio -&g...
asked by 27.05.2018 / 12:39
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How do I reference a listview from an xml file using Navigation Drawer? Android Studio

Hello community, I want to reference the ListView to which I added the id: lvPatosProfile that I have added in an xml file that the Drawer navigation creates me by default. But when going to the Perfil.java class, the id does not appear wh...
asked by 26.05.2018 / 00:41
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How can I change a Spinner according to another Spinner?

I have the following interface, when selecting a brand you must put the models of that brand, but I do not know how to change the items of the models according to the selected brand     
asked by 26.05.2018 / 03:55
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android multiple resolution layout

I'm creating an app that by default takes 1080ppi 420dpi, now I want to adapt it to 1080p xxhdpi but I have no idea what folder I have to create to put their layouts in there, and tried to create new resources but I do not clarify well if I have...
asked by 25.05.2018 / 14:07
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How I select the Cards Views (Android)

In my application there is a recycler view filled with cardViews with the data of a SQL query, the thing is that I look for an interface to select a CardView and then apply actions that I will have in buttons of the Action Bar, I have been looki...
asked by 25.05.2018 / 05:32
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How to show a pdf encoded in base64 with PdfRender

Hello good morning, I have a problem, I need to show a pdf encoded in base64 which I get from a webservice, the detail is that I can not figure out how to decode it and show it with PdfRender in the method that is supposed to show it , the examp...
asked by 23.05.2018 / 18:34
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fill ListView from another Activity

I have a ListView and I want to fill it with data that comes from another activity I bring the data by the intent but I do not know how to change the position of the new element to enlarge the list. The .java of the first activity: public c...
asked by 29.05.2018 / 19:14